Masuda, Masakazu
Current rating: 1582
Record: 36-27-5 (GP) / 2-5 (professional)
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1659 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 715 | Tukamoto, Takuya (1574) | Lost 0-2 | -201639 |
| 2sealed | 1024 | Sekiguchi, Masatsugu (1483) | Won 2-1 | +151654 |
| 3sealed | 851 | Kanazawa, Takuya (1500) | Lost 0-2 | -201634 |
| 4sealed | 1024 | Sato, Koji (1465) | Lost 1-2 | -221612 |
| 5sealed | 1067 | Fujita, Gensho (1534) | Lost 0-2 | -191593 |
| 6sealed | 1007 | Takahashi, Takuya (1414) | Won 2-0 | +151608 |
| 7sealed | 923 | Fujii, Mikiya (1488) | Lost 1-2 | -201588 |
| 8sealed | 1052 | Yuutarou, Okuda (1445) | Lost 1-2 | -211567 |
| 9sealed | 1007 | Toratani, Yuki (1410) | Won 2-0 | +151582 |
| top | average opponent: 1479record: 3-6 | new rating: 1582 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 296 | Matsui, Yuuichirou (1500) | Won 2-1 | +161595 |
| 2modern | 383 | Furukawa, Kai (1520) | Draw 1-1 | -11594 |
| 3modern | 273 | Tanahashi, Hirofumi (1464) | Draw 1-1 | -21592 |
| 4modern | 464 | Mori, Masatake (1488) | Lost 1-2 | -201572 |
| 5modern | 564 | Takagi, Akifumi (1498) | Won 2-1 | +161588 |
| 6modern | 436 | Fukuhara, Taiki (1536) | Won 2-0 | +171605 |
| 7modern | 315 | Mitsumori, Nobuhiro (1503) | Won 2-0 | +171622 |
| 8modern | 213 | Nakatani, Haruki (1825) | Won 2-0 | +211643 |
| 9modern | 142 | Okamura, Ryoma (1505) | Won 2-0 | +161659 |
| top | average opponent: 1538record: 6-1-2 | new rating: 1659 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 301 | Furuya, Marato (1500) | Won 2-1 | +161603 |
| 2sealed | 270 | Nakata, Tatsuya (1519) | Won 2-0 | +171620 |
| 3sealed | 126 | Yoshida, Satoshi (1552) | Lost 1-2 | -201600 |
| 4sealed | 158 | Kawabata, Yuji (1524) | Lost 0-2 | -191581 |
| 5sealed | 327 | Takata, Mutsuo (1469) | Won 2-1 | +161597 |
| 6sealed | 289 | Abe, Keisuke (1586) | Lost 1-2 | -181579 |
| top | average opponent: 1525record: 3-3 | new rating: 1579 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 218 | Ashikaga, Masatoshi (1576) | Draw 1-1 | 01558 |
| 2standard | 185 | Kouichi I., (1498) | Won 2-0 | +171575 |
| 3standard | 103 | Yanagizawa, Kazutoyo (1379) | Won 2-1 | +151590 |
| 4standard | 123 | Tsukahara, Kazuto (1596) | Lost 1-2 | -181572 |
| 5standard | 184 | Kubo, Ryoutarou (1579) | Won 2-0 | +181590 |
| 6standard | 125 | Nagamoto, Kouji (1484) | Lost 1-2 | -201570 |
| 7standard | 176 | Yamauchi, Takashi (1575) | Won 2-1 | +181588 |
| 8standard | 126 | Nagashima, Makoto (1654) | Lost 0-2 | -171571 |
| 9standard | 127 | Higashimura, Kazuya (1424) | Won 2-1 | +161587 |
| top | average opponent: 1530record: 5-3-1 | new rating: 1587 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Yoshikawa, Yuta (1515) | Lost 0-2 | -191526 |
| 2standard | 281 | Fujiwara, Ryuuichi (1482) | Lost 0-2 | -181508 |
| 3standard | 359 | Sato, Hitoshi (1452) | Won 2-1 | +171525 |
| 4standard | 395 | Matsuta, Takanori (1483) | Won 2-1 | +171542 |
| 5standard | 320 | Yamagata, Yutaro (1497) | Won 2-1 | +171559 |
| 6standard | 247 | Sim, Chapman (1638) | Lost 0-2 | -171542 |
| 7standard | 247 | Zhao, Tianyu (1489) | Won 2-0 | +181560 |
| 8standard | 156 | Saitou, Isao (1520) | Won 2-1 | +171577 |
| 9standard | 127 | Yasuda, Seita (1535) | Lost 0-2 | -191558 |
| top | average opponent: 1512record: 5-4 | new rating: 1558 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 26 | Yamada, Yasushi (1558) | Lost 0-2 | -191561 |
| 3sealed | 94 | Kadooka, Toshiyuki (1697) | Lost 1-2 | -151546 |
| 4sealed | 208 | Masui, Yuusuke (1504) | Won 2-1 | +171563 |
| 5sealed | 129 | Takasaki, Yuichi (1568) | Lost 0-2 | -181545 |
| top | average opponent: 1582record: 1-3 | new rating: 1545 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 234 | Tanabe, Kazuya (1272) | Won 0-0 | +131559 |
| 2sealed | 143 | Tanaka, Ryouhei (1502) | Won 2-1 | +171576 |
| 3sealed | 69 | Kise, Masato (1586) | Won 2-0 | +181594 |
| 4sealed | 52 | Ito, Atsushi (1701) | Lost 0-2 | -161578 |
| 5sealed | 105 | Akiyama, Takashi (1622) | Lost 0-2 | -171561 |
| 6sealed | 53 | Yamaguchi, Yuuichi (1645) | Won 2-0 | +201581 |
| 7sealed | 89 | Wachi, Shinya (1569) | Lost 0-2 | -191562 |
| 8sealed | 71 | Babasaki, Taro (1514) | Won 2-0 | +181580 |
| top | average opponent: 1551record: 5-3 | new rating: 1580 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 208 | Okabayashi, Masanao (1620) | Won 2-1 | +211473 |
| 4block | 125 | Wong, Nicholas Jonathan (1805) | Won 2-0 | +241497 |
| 5block | 46 | Nakano, Fumiki (1537) | Won 2-0 | +191516 |
| 6block | 1 | Shiki, Kazumasa (1537) | Won 2-1 | +181534 |
| 7block | 8 | Kodani, Ryousuke (1589) | Lost 1-2 | -171517 |
| 8block | 44 | Arita, Ryuichi (1622) | Lost 0-2 | -161501 |
| 9block | 41 | Sando, Masao (1555) | Won 2-1 | +191520 |
| 10block | 58 | Yokoi, Takayuki (1558) | Won 2-0 | +191539 |
| 11block | 20 | Sakashita, Yuichi (1595) | Draw 1-1 | +11540 |
| 12block | 26 | Imai, Kimio (1577) | Won 2-1 | +181558 |
| 13block | 16 | Shiozu, Ryouma (1667) | Lost 0-2 | -161542 |
| 14block | 26 | Kanayama, Daisuke (1594) | Lost 0-2 | -171525 |
| 15block | 37 | Miyake, Tetsuya (1621) | Draw 1-1 | +21527 |
| 16block | 38 | Takenaka, Tsuyoshi (1591) | Won 2-0 | +191546 |
| top | average opponent: 1605record: 8-4-2 | new rating: 1546 | ||
| Pro Tour London 1999 (UDS draft) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 137 | Hovi, Tommi (1806) | Lost 0-2 | -131487 |
| 2draft | 112 | Gray, David (1482) | Lost 0-2 | -181469 |
| 3draft | 140 | Petersen, Bryan (1464) | Lost 1-2 | -181451 |
| 4draft | 95 | Donovan, Patrick (1518) | Lost 1-2 | -171434 |
| 5draft | 29 | Jurado, Rodrigo (1428) | Won 2-0 | +181452 |
| 6draft | 46 | Rosochacki, Rafal (1540) | Won 2-1 | +201472 |
| 7draft | 120 | Johnsen, Marius (1370) | Lost 1-2 | -201452 |
| top | average opponent: 1515record: 2-5 | new rating: 1452 | ||